Draft attachement for railway vehicles



Dec. 6, 1932. E. HfSCHMIDT DRAFT ATTACHMENT FOR RAILWAY VEHICLES Filed July 2.7, 19.27

3 Sheets-Sheet 1 Q-vwemtoz ERNEST SaHMIDT 3513 M5 61mm;

Dec. 6, 1932. sg m 1,890,303 DRAFT ATTACHMENT FOR RA-ILWAY VEHICLES I FiiedJuly 27. 192'? 3 s e ts-s eet 2 I glwwentoi ERNEST H SCHMIDT I hb 6mm Dec. 6, 1932. E. H. SCHMIDT DRAFT ATTACHMENT FOR RAILWAY VEHICLES Filed July 27, 1927 3. Sheets-Sheet. 3

ahomtoz llmws'sz'lfif. ScHMwT 351;; MM Swot nu Patented Dec. 6;, 19352 ERNEST H, SCfiMIDT, OF: CLEVELAND 'HEIGHTTS, pm, .Assie'no i "150. kriA'rienA-xi .Ap ilicatiei fiiea' JJfuly '27,

n inve tmn rlats o mp e i draftattachments dfthe character shown in the applicationlof Ernest H. Schmidt and Serial? Nix:- 1j61',992, Ywhich',.1'hatured' into equalizer member'fiifl t hefrear face/l of which is engaged byfthe surface 5, which lforms the rear face 0f the s lotil lin rhevce'r' couplen The gforwarjdfa ce-Qfiof the draft equalizer e -fo ms a bearing on the rear side of the draft equa'li zer and w buffing equalizer ere used The present'invention provides a guiding mechanism for the rear end of a coupler giiidin'g member and Figfis a side elevation" 'thereoffFigb a horiiontalsection of a lnodified form of my invention showing the parts under draft, in which the guiding member is 'madee part of the buflingequalizier; Fig; 6 1's a sectidn simila rto'Fig. 5 but with the parts und fb uf and i iargecrsection o 1 1i 6s VII-VII pf -i only the yoke arms and: equalizer being shown; 8 is'a detailed view'inrvertical secltiemthrough the shank ofthe coupler and equalizer V ember; s how'inga manner 0f Connecting'the'same, i

Referring rnore particularly to the draw ih'gs, I have "shown my invention applicable if): the sha' n'k of a car coupler'ofthe construe-n tioii Sh'OWil in'ihe: application'fof Ernest H;

Sbhmidtend Hilbert L. ,Spence, referred to ebeve'. -The 'sh anikA pf the cair coupler has a hei'izontal slot, 2 extending I transversely therethrough, iniwhich is' seated a draft ai'ih'e C. Th'efreer end ofthe coupler shank "DR M- r maininggimm vriiiribLEsQ f QwMALLEAEBLE memmmgqes'rmeeCOMPANY;or. cnevmnnn; 01110, Acorn-pomp v ate-shaped rea -rsuffecefifpieferably' V stirnckfsboUt:thefs'ame/Yerficalcenter as the e vsurfece' ,5,which-bears.egeins'o"ahequalizfng we bi fiing block 8; the Ifdrwardiae 6f? V is curvedin apprexiinetely the"seme arc rhesii-rface? at thereai' 'end'ibf theish'ankl The buffing" block 8 is intended 'to" bear ubbiif "its rear fac'e Qageiinstfthe fbI'Wa-Id fElC I the frcnt'eleirielitr'or followerD ore-emu r gear which is usually efdrightenglesnte theQ si pported uponqthefceupler shank by-the lugs 10,, which 'seat":respectivelyl-in' --varc-'- v shapedirecesses 11in the'l'toppandl thegshen'k fend inay be held theriniby behd miner iscribed in my "ed-pending arpp'licati iifS -efielT- lO a nd reces seszllljlthussuppfirt the bi ifing i i block upon; the icoiipler hahk; bub y permit 4 partic ila'rly during return from dra'ffijinovee ments, preferably 1 comprises fi' guiding e1e- 1 a unitiiry Casting,havingi'g iideiw'alls Been- T.

erel extensionsl5' by which the elemenfl sup m te iipon 116 yoke arms 0: The-forg wardface'e of thewz llsf'li hzive r ecess es'116' 1 hiQIr m-tIy surround the dreft'key B-f l'lt' will be seen that the element 312 isfthus vheld from 'ferward movement liyjth'e draft-key f I .a'ndfrom rearward rnqvernent byfthe'ffol fl.f

10m D." I

Nhen'.ii-nder draft, as shown in the'cpupler is jiulle'd forward to its maxim m, forward angled position, with its reerjend just touching One ofthe guiding wd11 s713 bii't with'the radial draft equal izer member 3 Still 3: 1 free. W heniiiider blifi'fae ljI llFjigi 2, in which the "coupler is ang'led' let ellyf sd. I that an l the side clearance betweenithe war cl'endsfo'fthe yQ'ke arnie hesjbeenteken'uflf itWiHbeSeenthat therei's' mple clearance]; 11 i beijweeh the gniding wills 131".

f hise ra g menfi'i iidfpamu1hva tag'ef. i111 applying inVen*tiOnT"t *existing H '7 equipinentg sinceaspecialdesign of front fol lower isjnot required, For instance,; as is;

, shownin- Figifl, thefront element-or fol-g II lower, of the draft gear is one of the usual .forinso-f' Farlow front followers with the customary dowelcut ofli In Figs. 5f'and I have shown a' niodified form of ny invention inwhich the, bufling I :equ'ali zer 21 and the "guiding element 22 have been combined: in" an integral casting which is piyotally 'attached'to the rear end of the I coupler shank by means of the lugs 23, which These lugs orprojections 23,1naybe formed on thehufling'equ alizer, and be positioned in. Y [the recesses 24in any desired, convenient Y nanner, :for instance, as disclosed in my co-T thee I It will heseen, however; that-, ,asjis shown a inig. 5f, thefradial movement ofthe coupler.

'isjnot limited by the clearanceibetween the 1 yoke arms? and g the {guiding flanges .on the seat in the recesses 24- infthe' c ojupler shank.

on its outer side walls guiding flanges 25,

which; are spaced Vertically so that they will spa se-above and below the enlargements 26 in which the forwardfends of the yoke arms terminate. This is for the purpose ofpermitting the insertion [of the entire j coupler and-guide assembly from the front, )The use of theflanges 25 is desirable to'keep the buffi ng lilockl inI substantial alignment with" the front element of the draft gear? as'well as. to

I lershank at alltimesf 1 I triflin block, but that normallytliere is clear- I an'ce between therrear endjof the coupler-and buflingjhlockwhioh permits the rea'rend- 0f heIco p 'r wh n un e raf t ove -r iu V I gages-theguiding walls 22 ofjthe; bufling 1 I I block; Alsoyingthis instance, while the coul "pler h-as ang ;ledf laterally to; such extent that it" engages the forward end 26 of one'of the yoke arms,the draft equalizer member} I. has not yet reaehedthe end of its'radial move- 7 ,mentgi \I Y I 5 I ,The terins an d' expressions which @I] have I I employedare used asterins ofdescription and 50 'in'theuseofsuoh termsand expressions, of v excluding any mechanical equivalents of the dially, anappreciable distance, before it ennot of liinitation, magi h'avefno intention,

' features shown and described, forgportions it thereofgb ut recognize that arious structural t I as odifications are possible within the. scope of Ithef-invention claimed; 1

i 1' I tionxo :vWhat I cla'im is 1n a said slots; a draft gear "in said I Q yoke];.aQfolIO er fOrsaiddraft gear; ajbuffing block between the; shank and; follower operative} only in T bufiing; adapted to bring the end'of the shank into Central hear 'a liniitto the laterahnlovement of ingithe couplershank laterally;

extent thereof. 1;

5,,Ina couplerattachmentathe' coinb'ina tion of a coupler; shank and a yoke haying horizontally aligned slotsgia connecting key. I

a 'coj' 'pler attachment, the combina-r 7 w a couplershank andfayoke having. rhorizontally aligned slots a, connecting key 1 sea-ting ing-withthe ama'gar; saidbufling hlock being connected to said shank formovement II I therewith in draft; and ineans;disposedhe- I ftween'thesides of the shankand they'oke fory guiding the coupler shanklateral1y. I

"2. in a coupler attachment,"thevv cornloina- ,2

tionofac'oupler shank and iaiyoke having horizontally aligned slots; a connecting key j: seating in said slots; a draft gear in said" yoke; 'ZtfOllOWQIffOI' said draftgear; a hufl' Y Y 'ing block remoyahlysupported-by saidjs'hank operative onlyinbuflin adapted taming 7 the rear end .ofthe shali int central bear-f ing withx the draftgear I iagndv means sup ported by the yokearlnsgfor limiting, the. lateral shifting ;of the shankiand guiding the shank duri 3; In a tion of a'coupler"fshankfand a yoke haying v horizontally aligned slotsgfi'a ,connecting'key f p seating in, said, slots; adraft' fgearjin said I I coupler" attachrnentl the" coinhint H lower I haying a rotative engagement "with 1 ing block interposed between shank and fol said shank, said bufling block being connected? to said shank for,,n1oyeme1it' :therewithfin V Y draft; I and guiding .inean's disposed between .7 the sides of the shank and-the yokefor a 4,111 a couple 'atm m I v ifi h k and Y a hor zontally aligned jslots m Bahia y wings:

e v eonnecting key seating in said,'sl'ots;fa draft gear in said I yoke a followefIforisaid *gearf; an equalizing member movable with saidshankeactive only in b'uflirig; and mai sfbetween sai'd feoupler shank and yoke permitting 'rotative moves inent ,ther'ebetween l seating in said slots; a draft gear in said block ,interposed'betweei fhankjand I follower having a rotative,engagement'jwithfgsaid Y shank; and aguiding' element forilimiting V 7'. In a coupler attachment the conrhma, tion roof; a coupler shank anda yoke;

biitrliiniting -the lateral i I hav h r e te l a igned ts; a. e n lee -ingikey" l V seating in said slots; a draft gear'in said 

